Base | Representation |
---|---|
bin | 100111100111… |
… | …011110000101 |
3 | 201112121221012 |
4 | 213213132011 |
5 | 10124312120 |
6 | 1010332005 |
7 | 154162541 |
oct | 47473605 |
9 | 21477835 |
10 | 10385285 |
11 | 5953689 |
12 | 358a005 |
13 | 21c8051 |
14 | 1544a21 |
15 | da21c5 |
hex | 9e7785 |
10385285 has 8 divisors (see below), whose sum is σ = 12554136. Its totient is φ = 8247040.
The previous prime is 10385281. The next prime is 10385293. The reversal of 10385285 is 58258301.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1522756 + 8862529 = 1234^2 + 2977^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10385285 - 22 = 10385281 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10385281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6896 + ... + 8265.
It is an arithmetic number, because the mean of its divisors is an integer number (1569267).
Almost surely, 210385285 is an apocalyptic number.
It is an amenable number.
10385285 is a deficient number, since it is larger than the sum of its proper divisors (2168851).
10385285 is a wasteful number, since it uses less digits than its factorization.
10385285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15303.
The product of its (nonzero) digits is 9600, while the sum is 32.
The square root of 10385285 is about 3222.6208278356. The cubic root of 10385285 is about 218.1755802878.
The spelling of 10385285 in words is "ten million, three hundred eighty-five thousand, two hundred eighty-five".
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